Additional construction details drawings as well as the small selection of wall detail drawings shown here many of the building notes have a related construction detail drawing with specific dimensions eg rafter sizes spans insulations types for purchase with the building specifications.
High to low roof party wall detail.
The area separation wall is designed to allow for collapse of the.
Do not use the area separation wall system where exposure to constant dampness and or water may occur.
With double wall construction the separation begins at the floor joists and runs all the way to a roof parapet.
Another approach is to build a cupola or ventilated doghouse in the middle of the low slope roof an approach championed by joe lstiburek.
If the upper edge of a low slope shed roof intersects a vertical wall the most logical approach in my opinion is to detail the roof as an unvented roof.
Using roxul safe 45 with our rockwool batt insulation creates a high density party wall system that improves sound dampening and fire performance.
Two totally separate walls are built side by side with a few inches of airspace.
The area separation wall system may be built up to a maximum of 66 ft.
The area separation wall system has been evaluated for code compliance in ul evaluation report ul er r3501 01.